login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A170957 Expansion of Prod((1+x^(4*i-1)),i=1..m) for m = 4. 0
1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 2, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,19

COMMENTS

Prod((1+x^(4*i-1)),i=1..m) is the Poincaré polynomial for both Sp(2m) and O(2m+1).

REFERENCES

H. Weyl, The Classical Groups, Princeton, 1946, see p. 238.

LINKS

Table of n, a(n) for n=0..36.

CROSSREFS

Cf. A000700, A147599, A169975, A170956-A170965.

Sequence in context: A056137 A306383 A172099 * A178725 A257402 A230263

Adjacent sequences:  A170954 A170955 A170956 * A170958 A170959 A170960

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Aug 29 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 26 14:08 EST 2020. Contains 331280 sequences. (Running on oeis4.)